The 78L12U is a three-terminal Linear Voltage Regulator (LDO) manufactured by Hong Kong Chuangji. It is a positive voltage regulator with a SOT-89 package and ROHS compliance. It features an output voltage of 12V, low quiescent current of 270 µA, and a maximum output current of 0.1 A. The regulator is intended for use in applications such as, but not limited to, switching regulators, clippers, limiter circuits, and diode networks in consumer, communication and audio electronics. It is also suitable for a variety of other electronics applications.